360 lines
10 KiB
C++
360 lines
10 KiB
C++
/* wincap.cc -- figure out on which OS we're running. Set the
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capability class to the appropriate values.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#include "winsup.h"
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#include "miscfuncs.h"
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#include "security.h"
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#include "ntdll.h"
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#include "memory_layout.h"
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/* CV, 2008-10-23: All wincapc's have to be in the .cygwin_dll_common section,
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same as wincap itself. Otherwise the capability changes made in
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wincapc::init() are not propagated to any subsequently started process
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in the same session. I'm only writing this longish comment because I'm
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puzzled that this has never been noticed before... */
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wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
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def_guard_pages:2,
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{
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is_server:false,
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has_new_pebteb_region:false,
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has_unprivileged_createsymlink:false,
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has_precise_interrupt_time:false,
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has_posix_unlink_semantics:false,
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has_posix_unlink_semantics_with_ignore_readonly:false,
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has_case_sensitive_dirs:false,
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has_posix_rename_semantics:false,
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has_con_24bit_colors:false,
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has_con_broken_csi3j:false,
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has_con_broken_il_dl:false,
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has_con_esc_rep:false,
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has_extended_mem_api:false,
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has_tcp_fastopen:false,
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has_linux_tcp_keepalive_sockopts:false,
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has_tcp_maxrtms:false,
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has_con_broken_tabs:false,
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},
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};
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wincaps wincap_8 __attribute__((section (".cygwin_dll_common"), shared)) = {
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def_guard_pages:3,
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{
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is_server:false,
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has_new_pebteb_region:false,
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has_unprivileged_createsymlink:false,
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has_precise_interrupt_time:false,
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has_posix_unlink_semantics:false,
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has_posix_unlink_semantics_with_ignore_readonly:false,
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has_case_sensitive_dirs:false,
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has_posix_rename_semantics:false,
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has_con_24bit_colors:false,
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has_con_broken_csi3j:false,
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has_con_broken_il_dl:false,
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has_con_esc_rep:false,
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has_extended_mem_api:false,
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has_tcp_fastopen:false,
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has_linux_tcp_keepalive_sockopts:false,
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has_tcp_maxrtms:false,
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has_con_broken_tabs:false,
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},
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};
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wincaps wincap_8_1 __attribute__((section (".cygwin_dll_common"), shared)) = {
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def_guard_pages:3,
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{
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is_server:false,
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has_new_pebteb_region:false,
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has_unprivileged_createsymlink:false,
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has_precise_interrupt_time:false,
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has_posix_unlink_semantics:false,
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has_posix_unlink_semantics_with_ignore_readonly:false,
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has_case_sensitive_dirs:false,
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has_posix_rename_semantics:false,
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has_con_24bit_colors:false,
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has_con_broken_csi3j:false,
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has_con_broken_il_dl:false,
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has_con_esc_rep:false,
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has_extended_mem_api:false,
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has_tcp_fastopen:false,
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has_linux_tcp_keepalive_sockopts:false,
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has_tcp_maxrtms:false,
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has_con_broken_tabs:false,
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},
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};
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wincaps wincap_10_1507 __attribute__((section (".cygwin_dll_common"), shared)) = {
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def_guard_pages:3,
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{
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is_server:false,
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has_new_pebteb_region:false,
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has_unprivileged_createsymlink:false,
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has_precise_interrupt_time:true,
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has_posix_unlink_semantics:false,
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has_posix_unlink_semantics_with_ignore_readonly:false,
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has_case_sensitive_dirs:false,
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has_posix_rename_semantics:false,
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has_con_24bit_colors:false,
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has_con_broken_csi3j:false,
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has_con_broken_il_dl:false,
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has_con_esc_rep:false,
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has_extended_mem_api:false,
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has_tcp_fastopen:false,
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has_linux_tcp_keepalive_sockopts:false,
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has_tcp_maxrtms:false,
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has_con_broken_tabs:false,
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},
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};
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wincaps wincap_10_1607 __attribute__((section (".cygwin_dll_common"), shared)) = {
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def_guard_pages:3,
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{
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is_server:false,
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has_new_pebteb_region:false,
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has_unprivileged_createsymlink:false,
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has_precise_interrupt_time:true,
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has_posix_unlink_semantics:false,
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has_posix_unlink_semantics_with_ignore_readonly:false,
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has_case_sensitive_dirs:false,
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has_posix_rename_semantics:false,
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has_con_24bit_colors:false,
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has_con_broken_csi3j:false,
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has_con_broken_il_dl:false,
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has_con_esc_rep:false,
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has_extended_mem_api:false,
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has_tcp_fastopen:true,
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has_linux_tcp_keepalive_sockopts:false,
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has_tcp_maxrtms:true,
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has_con_broken_tabs:false,
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},
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};
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wincaps wincap_10_1703 __attribute__((section (".cygwin_dll_common"), shared)) = {
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def_guard_pages:3,
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{
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is_server:false,
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has_new_pebteb_region:true,
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has_unprivileged_createsymlink:true,
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has_precise_interrupt_time:true,
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has_posix_unlink_semantics:false,
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has_posix_unlink_semantics_with_ignore_readonly:false,
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has_case_sensitive_dirs:false,
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has_posix_rename_semantics:false,
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has_con_24bit_colors:true,
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has_con_broken_csi3j:false,
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has_con_broken_il_dl:false,
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has_con_esc_rep:false,
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has_extended_mem_api:false,
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has_tcp_fastopen:true,
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has_linux_tcp_keepalive_sockopts:false,
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has_tcp_maxrtms:true,
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has_con_broken_tabs:true,
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},
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};
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wincaps wincap_10_1709 __attribute__((section (".cygwin_dll_common"), shared)) = {
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def_guard_pages:3,
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{
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is_server:false,
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has_new_pebteb_region:true,
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has_unprivileged_createsymlink:true,
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has_precise_interrupt_time:true,
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has_posix_unlink_semantics:true,
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has_posix_unlink_semantics_with_ignore_readonly:false,
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has_case_sensitive_dirs:false,
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has_posix_rename_semantics:false,
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has_con_24bit_colors:true,
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has_con_broken_csi3j:false,
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has_con_broken_il_dl:false,
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has_con_esc_rep:false,
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has_extended_mem_api:false,
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has_tcp_fastopen:true,
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has_linux_tcp_keepalive_sockopts:true,
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has_tcp_maxrtms:true,
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has_con_broken_tabs:true,
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},
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};
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wincaps wincap_10_1803 __attribute__((section (".cygwin_dll_common"), shared)) = {
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def_guard_pages:3,
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{
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is_server:false,
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has_new_pebteb_region:true,
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has_unprivileged_createsymlink:true,
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has_precise_interrupt_time:true,
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has_posix_unlink_semantics:true,
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has_posix_unlink_semantics_with_ignore_readonly:false,
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has_case_sensitive_dirs:true,
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has_posix_rename_semantics:false,
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has_con_24bit_colors:true,
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has_con_broken_csi3j:false,
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has_con_broken_il_dl:false,
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has_con_esc_rep:false,
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has_extended_mem_api:true,
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has_tcp_fastopen:true,
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has_linux_tcp_keepalive_sockopts:true,
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has_tcp_maxrtms:true,
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has_con_broken_tabs:true,
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},
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};
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wincaps wincap_10_1809 __attribute__((section (".cygwin_dll_common"), shared)) = {
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def_guard_pages:3,
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{
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is_server:false,
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has_new_pebteb_region:true,
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has_unprivileged_createsymlink:true,
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has_precise_interrupt_time:true,
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has_posix_unlink_semantics:true,
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has_posix_unlink_semantics_with_ignore_readonly:true,
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has_case_sensitive_dirs:true,
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has_posix_rename_semantics:true,
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has_con_24bit_colors:true,
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has_con_broken_csi3j:true,
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has_con_broken_il_dl:false,
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has_con_esc_rep:false,
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has_extended_mem_api:true,
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has_tcp_fastopen:true,
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has_linux_tcp_keepalive_sockopts:true,
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has_tcp_maxrtms:true,
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has_con_broken_tabs:true,
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},
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};
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wincaps wincap_10_1903 __attribute__((section (".cygwin_dll_common"), shared)) = {
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def_guard_pages:3,
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{
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is_server:false,
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has_new_pebteb_region:true,
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has_unprivileged_createsymlink:true,
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has_precise_interrupt_time:true,
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has_posix_unlink_semantics:true,
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has_posix_unlink_semantics_with_ignore_readonly:true,
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has_case_sensitive_dirs:true,
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has_posix_rename_semantics:true,
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has_con_24bit_colors:true,
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has_con_broken_csi3j:false,
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has_con_broken_il_dl:true,
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has_con_esc_rep:true,
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has_extended_mem_api:true,
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has_tcp_fastopen:true,
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has_linux_tcp_keepalive_sockopts:true,
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has_tcp_maxrtms:true,
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has_con_broken_tabs:true,
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},
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};
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wincaps wincap_10_2004 __attribute__((section (".cygwin_dll_common"), shared)) = {
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def_guard_pages:3,
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{
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is_server:false,
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has_new_pebteb_region:true,
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has_unprivileged_createsymlink:true,
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has_precise_interrupt_time:true,
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has_posix_unlink_semantics:true,
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has_posix_unlink_semantics_with_ignore_readonly:true,
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has_case_sensitive_dirs:true,
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has_posix_rename_semantics:true,
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has_con_24bit_colors:true,
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has_con_broken_csi3j:false,
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has_con_broken_il_dl:false,
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has_con_esc_rep:true,
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has_extended_mem_api:true,
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has_tcp_fastopen:true,
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has_linux_tcp_keepalive_sockopts:true,
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has_tcp_maxrtms:true,
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has_con_broken_tabs:true,
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},
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};
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wincaps wincap_11 __attribute__((section (".cygwin_dll_common"), shared)) = {
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def_guard_pages:3,
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{
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is_server:false,
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has_new_pebteb_region:true,
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has_unprivileged_createsymlink:true,
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has_precise_interrupt_time:true,
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has_posix_unlink_semantics:true,
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has_posix_unlink_semantics_with_ignore_readonly:true,
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has_case_sensitive_dirs:true,
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has_posix_rename_semantics:true,
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has_con_24bit_colors:true,
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has_con_broken_csi3j:false,
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has_con_broken_il_dl:false,
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has_con_esc_rep:true,
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has_extended_mem_api:true,
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has_tcp_fastopen:true,
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has_linux_tcp_keepalive_sockopts:true,
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has_tcp_maxrtms:true,
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has_con_broken_tabs:false,
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},
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};
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wincapc wincap __attribute__((section (".cygwin_dll_common"), shared));
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void
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wincapc::init ()
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{
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if (caps)
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return; // already initialized
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GetSystemInfo (&system_info);
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version.dwOSVersionInfoSize = sizeof (RTL_OSVERSIONINFOEXW);
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RtlGetVersion (&version);
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/* Overwrite unreliable kernel version with correct values returned by
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RtlGetNtVersionNumbers. See git log of this change for a description. */
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RtlGetNtVersionNumbers (&version.dwMajorVersion,
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&version.dwMinorVersion,
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&version.dwBuildNumber);
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version.dwBuildNumber &= 0xffff;
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switch (version.dwMajorVersion)
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{
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case 6:
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switch (version.dwMinorVersion)
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{
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case 1:
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caps = &wincap_7;
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break;
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case 2:
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caps = &wincap_8;
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break;
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case 3:
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default:
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caps = &wincap_8_1;
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break;
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}
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break;
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case 10:
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default:
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if (likely (version.dwBuildNumber >= 22000))
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caps = &wincap_11;
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else if (version.dwBuildNumber >= 19041)
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caps = &wincap_10_2004;
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else if (version.dwBuildNumber >= 18362)
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caps = &wincap_10_1903;
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else if (version.dwBuildNumber >= 17763)
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caps = &wincap_10_1809;
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else if (version.dwBuildNumber >= 17134)
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caps = &wincap_10_1803;
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else if (version.dwBuildNumber >= 16299)
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caps = &wincap_10_1709;
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else if (version.dwBuildNumber >= 15063)
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caps = &wincap_10_1703;
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else if (version.dwBuildNumber >= 14393)
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caps = &wincap_10_1607;
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else
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caps = & wincap_10_1507;
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}
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((wincaps *)caps)->is_server = (version.wProductType != VER_NT_WORKSTATION);
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__small_sprintf (osnam, "NT-%d.%d", version.dwMajorVersion,
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version.dwMinorVersion);
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}
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